From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 94110 invoked by alias); 11 Sep 2019 10:15:00 -0000 Mailing-List: contact gcc-help-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-help-owner@gcc.gnu.org Received: (qmail 94101 invoked by uid 89); 11 Sep 2019 10:15:00 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-2.3 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=ham version=3.3.1 spammy=role X-HELO: mail-lj1-f169.google.com Received: from mail-lj1-f169.google.com (HELO mail-lj1-f169.google.com) (209.85.208.169) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 11 Sep 2019 10:14:59 +0000 Received: by mail-lj1-f169.google.com with SMTP id h2so12921154ljk.1 for ; Wed, 11 Sep 2019 03:14:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=aBmgq2CBDoYRlKhxffhcb4wr+5Z2LFqQutrlh608rZM=; b=fHHfv14i24f7bqAe6RplMAZm1cQd3VVaNPr7wqkl4zW4I8Mhrg+IeqnPhsxCYLTB3u 93CbukztG+FGIq4/RHo/DO+Lav0u2PqZEZMqnlgvbxPNv2Tvw+pn7XMXPuHnvo3/cm7D WLRkD2P8rqv3hgekhoKUMvE0P7kZwV83ppIJY5ZCmrjCDkqp0An6ism2GP6LCnm6oDvL FfaF7VGlHW0WYxKuTby5dG/35UCTsV/SgvB1KWcgiYthAG0siBM9jfF2KxE1E1L9+cpa f1Yxtf5nNTHO6m8ZKopAO6GACm4inDe9ZwSa464Tnya7PslFCTVFnml9ykc3lpsGfOGF YTWw== MIME-Version: 1.0 From: William Tambe Date: Wed, 11 Sep 2019 10:15:00 -0000 Message-ID: Subject: Role of unspec or unspec_volatile in a machine description pattern To: gcc-help Content-Type: text/plain; charset="UTF-8" X-IsSubscribed: yes X-SW-Source: 2019-09/txt/msg00037.txt.bz2 What is the role of unspec or unspec_volatile in a machine description pattern ?